Difference between revisions of "First steps"
From MyWiki
| Line 16: | Line 16: | ||
define button in main activity<br> | define button in main activity<br> | ||
if ( v.equlas(buttonblue)) then do the stuff<br> | if ( v.equlas(buttonblue)) then do the stuff<br> | ||
| − | Toast.makeText(getApplicationcontext(), "asdfadsfa", Toast.LENGTH_SHORT.show() | + | Toast.makeText(getApplicationcontext(), "asdfadsfa", Toast.LENGTH_SHORT).show();<br> |
Revision as of 16:35, 4 October 2017
Simple first program
1. choose empty activity
2. we will edit activity_main.xml and MainActivity.java
3. use api level 16
4. Get rid of "hello world"
5. Drag button
6 width = match parent, change background colour
7 changethe id of the button and also the text
8 onclick property, speccify the name of method
9. public void toDo(View v){
}
in oncreate
Button buttonblue;
buttonBlue = (Button) findViewById(R.id.button_blueinvisible);
define button in main activity
if ( v.equlas(buttonblue)) then do the stuff
Toast.makeText(getApplicationcontext(), "asdfadsfa", Toast.LENGTH_SHORT).show();
